{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T14:46:23Z","timestamp":1787755583959,"version":"build-2784847793"},"reference-count":24,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"1","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"abstract":"<jats:sec>\n                    <jats:title>Case:<\/jats:title>\n                    <jats:p>We report 2 patients who developed chronic expanding hematomas (CEHs) more than 20 years after ceramic-on-polyethylene total hip arthroplasty (THA). One CEH occurred after a minor fall, and the other appeared with no obvious injury. Neither of the 2 was on anticoagulation. Each caused extensive osteolysis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>The only 2 previously reported post-THA cases of CEH involved metal-on-metal THAs and occurred several years after the index THA. Our patients show that CEH also can occur after ceramic-on-polyethylene THA, even after an uneventful clinical course of more than 20 years. Complete removal of both hematoma stopped osteolytic progression, with no recurrence to date.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.2106\/jbjs.cc.20.00619","type":"journal-article","created":{"date-parts":[[2021,3,2]],"date-time":"2021-03-02T15:05:47Z","timestamp":1614697547000},"update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":6,"title":["Chronic Expanding Hematomas That Occurred 20 Years or More After Primary Total Hip Arthroplasty"],"prefix":"10.2106","volume":"11","author":[{"given":"Tomomi","family":"Ishikawa","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3988-6411","authenticated-orcid":false,"given":"Toshiyuki","family":"Kawai","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Naoki","family":"Goda","sequence":"additional","affiliation":[{"name":"Department of Diagnostic Pathology, Graduate School of Medicine, Kyoto University, Kyoto, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8174-5391","authenticated-orcid":false,"given":"Koji","family":"Goto","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0746-0280","authenticated-orcid":false,"given":"Yutaka","family":"Kuroda","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shuichi","family":"Matsuda","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2021,1]]},"reference":[{"key":"bib1-20240807","doi-asserted-by":"crossref","first-page":"625","DOI":"10.1111\/1556-4029.13889","article-title":"Sudden death due to recent hemorrhage from an intrathoracic chronic expanding hematoma","volume":"64","author":"Yaguchi","year":"2019","journal-title":"J Forensic Sci."},{"issue":"suppl","key":"bib2-20240807","doi-asserted-by":"crossref","first-page":"535","DOI":"10.5761\/atcs.cr.12.02055","article-title":"Chronic expanding hematoma of thorax extended to the neck","volume":"20","author":"Ueda","year":"2014","journal-title":"Ann Thorac Cardiovasc 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